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铅电极在硫酸溶液中的光电化学行为
The Photoelectrochemical Behavior of Lead Electrodes in H_2SO_4 Solution

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Date
1996
Author
翟和生
尤金跨
林祖赓
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  • 化学化工-已发表论文 [14237]
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Abstract
研究了铅电极在阳极氧化过程中光响应的产生机制。结果表明,Pb电极在光照氧化时存在光活化过程,且光活化过程须在电位高于0V时才能发生。实验中发现铅阳极膜在负电位区除产生阴极光电流外,也能产生阳极光电流,其中阴极光电流是由阳极膜中的P型氧化铅产生的,而阳极光电流则可能由阳极膜中形成P-n结的氧化铅所产生。采用现场测量光电压技术研究了Pb电极在硫酸溶液中的恒电流极化过程。
 
The mechanism of photoresponse during the anodic oxidation of Pb electrode was investigated.The results showed that there was photoactivation during the oxidation of Pb electrode under illumination when the electrode potential was over 0 V.The study of the cathodic photoresponse of lead anodic Films in the cathodic potential region showed that the lead anodic Films could produce cathodic and anodic photocurrents.The cathodic photocurrent was produced by p-type lead oxide in the Film, and the anodic photocurrent might be produced by the lead oxide,which Formed p-n junctions.The measurement of photo-potential was used to study the constant current polarization of lead electrodes in H2SO4 solution.
 
Citation
高等学校化学学报,1996,(11):1764-1765+1767-1768
URI
https://dspace.xmu.edu.cn/handle/2288/106885

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